Science / Year 9 / Science Inquiry Skills / Questioning and predicting

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Formulate questions or hypotheses that can be investigated scientifically (ACSIS164)

Elaborations
  • using internet research to identify problems that can be investigated
  • evaluating information from secondary sources as part of the research process
  • revising and refining research questions to target specific information and data collection or finding a solution to the specific problem identified
  • developing ideas from students own or others' investigations and experiences to investigate further
General capabilities
  • Literacy Literacy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Hypotheses

Video

Feverish activity stops dengue's spread

Why have the number of cases of dengue fever in Australia quadrupled in recent years? The disease is spread by mosquitoes, so will injecting the 'Wolbachia' bacterium into mosquitoes solve the problem? Follow the scientists on the case.

Video

Can you solve the 'travelling salesman problem'?

Imagine you are a salesperson having to travel between multiple locations. How would you achieve this in the quickest way possible? This is a problem that has stumped mathematicians for decades, and there is even a prize for anyone who can come up with an algorithm to solve it. In this video, three methods are used to try ...

Online

National study guides: Sustainability and Food security- Years 7-10

This is a website containing a range of study guides on sustainability in food production and food security, they include: Water: our most precious resource; Biodiversity: protecting the environment; Greener farming: protecting the environment; Animal health: the science of healthy animals: and Food for the future: Farming ...

Interactive

iPlan

This resource contains ten IWB flipcharts as well as Flash alternative exercises and models how to plan a scientific investigation, choose the right equipment and follow safe working practices.

Video

Coral bleaching: solving the scientific puzzle

Scientist Dr Ove Hoegh-Guldberg describes his work as one of solving mysteries and puzzles. In the early 1980s, samples of bleached corals came from around the world, causing Dr Hoegh-Guldberg to question the cause of the problem. Follow his investigation as he puts pieces of the puzzle together. Find out about the problems ...

Online

Climate change – creating critical thinkers … not sceptics!

Climate change was once just part of the science domain, but today it is a political juggernaut! This unit explores the science of climate change as a scientific concept and a political issue. The unit includes PDF resources and video quiz challenges for teachers and student and the library section provides extra resources ...

Interactive

Light sound action: student digital

This is a student digital resource that contains interactive materials relevant to a study of light, sound, and electricity. This resource contains a rich array of digital interactive activities, simulations, video clips, supportive information and notebook questions, and is divided into several parts including sections ...

Video

Oil from super-greenhouse events

Why did most of the world's oil deposits form at a specific prehistoric time? Learn how overheated super-greenhouse climates caused vast stretches of the world's oceans to stagnate and become depleted of oxygen. Discover the connection between these anoxic events and Earth's oil reserves. Watch scientists investigating ...

Video

Coral bleaching: threat to the Great Barrier Reef?

Scientist Dr Ove Hoegh-Guldberg describes the Great Barrier Reef as one of the most thrilling ecosystems on the planet. Discovering new things there makes him feel like a pioneer. In the early 1980s the sudden appearance of bleached coral was a mystery. Join Dr Ove Hoegh-Guldberg as he describes coral bleaching as a serious ...

Video

Declining forests of Giant Kelp

Imagine diving between giant kelp that reach more than 30 metres from the bottom of the ocean to the surface. The east coast of Tasmania is one of the few places in the world where these underwater forests exist. But how much longer will they survive? Watch this clip to find out why these magnificent ecosystems are disappearing ...

Online

Collisions and biomechanics lesson

This lesson plan investigates ways in which automobile manufacturers seek to reduce injuries that occur in car accidents. Students note the effects of car accidents on human bodies, the factors that influence the type and severity of injuries, and the safety ratings of vehicles in which they travel regularly. The resource ...

Video

Below Earth's crust

Imagine tunnelling deep, deep below the Earth's surface. What do you think you would find thousands of kilometres down? Watch this clip to find out what is inside the Earth, what it's made up of and how hot it is. Find out about earthquakes, volcanoes, and geysers, and how they help us to understand about the composition ...

Video

Large Hadron Collider discovery, 2012

Have you heard of the Large Hadron Collider (LHC)? Watch this clip to find out about a scientific discovery at the LHC that left physicists uncharacteristically emotional. Catalyst's Dr Derek Muller takes you inside the LHC and talks to scientists there about the discovery of the Higgs boson and what it means for our understanding ...

Video

Lured by fossils

Dinosaur fossils capture the imagination of all kinds of people, leading some to a lifetime of research and theorising. Find out about the devotion of two families whose examination of Australia's fossil record has contributed to understanding the geology and evolution of life here.

Video

Ancient fish out of water

See fossil evidence of the largest Devonian lobe-finned fish ever found. Known as the Age of the Fishes, the Devonian period marks an important time in the evolution of land animals. Find out why this fossil is an important find.

Video

Vitalism disproved through evidence

Discover how the scientific theory of vitalism, championed by the Swedish chemist Jöns Berzelius, was disproved by his former student Friedrich Wöhler. Find out the way chemists study how the different atoms in organic compounds combine in set ratios depending on the 'valence' of those atoms.

Video

Square Kilometre Array (SKA), 2011

Find out about Australia's super science project - the Square Kilometre Array (SKA). Listen to astronomy experts discuss Australia's bid to be the home of the world's first SKA (telescope). See the telescope Australian scientists built to demonstrate their technological capabilities and help secure the bid. Find out what ...

Video

Fighting infection with vaccines

Explore historical and modern efforts to battle human infectious diseases. Watch re-enactments of the experiments of Edward Jenner, who pioneered vaccination, and of Louis Pasteur's work showing how microbes cause infection. Peer down the microscope to see the microbial world that wreaks havoc on human health. Learn about ...

Video

Greenhouse effect tips toward climate catastrophe

Follow the carbon atom, the central character in this story about oil, as it is released as carbon dioxide into the atmosphere and contributes to the greenhouse effect. See how other events like melting glaciers amplify that effect and contribute to an increasingly overheated climate. Learn about what might tip us over ...

Video

Uncovering oil under Arabian deserts

Listen to concerns in the 1950s about predicted declining oil production in the United States. Hear about the discovery of the world's largest oil field in Saudi Arabia, described as a 'treasure trove of the Jurassic Tethys ocean'. Catch up with the carbon atom that is the central character in the story about crude oil ...